geomembrane installation Applications

Composite laminated GCLs offer puncture and tensile strengths beyond conventional geomembranes. These GCLs offer the low permeability of a geomembrane combined with the high swelling and self healing characteristics of a traditional GCL. With their ease of installation, cost-effectiveness and resilience to physical and climate issues, GCLs are often specified in canals, stormwater impoundments or wetlands to control seepage and conserve valuable water where native soils are too permeable.

GCLs have become the gold standard clay component of composite lining systems used in industrial, hazardous and municipal solid waste landfills. Used alone or in combination with a geomembrane in a composite cover system, GCLs provide significantly lower permeability, improved ease of installation, an increased amount of usable space. In many cases GCLs are more cost-effective than traditional compacted clay liners. GCLs are also not subject to deterioration from differential settlement and freeze-thaw cycles, which can damage traditional compacted clay liners. Important design considerations for GCLs in landfill caps include confining pressure, and potential for ion exchange and desiccation.

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